Compact Powerbank. Features: Capacity: 4400mAh. Approximate quantity of full charges for an average smartphone: 2. Output: USB 5V/max 2,4A. Input: 5V/2A Micro USB. Approximate time of charging: 4 hours. LED indication of charge. Stylish design, embossed logo. Smart IC technology allowing to charge devices at optimal power rates. Dimensions: 144 x 61.5 x 25mm. Weight: 170g.